___________________
Please, give me some minutes to take over your question
______________________________________
Rate = miles / time
8/t = 7/ 35
Dividing by 7
8/t = 7/ 35
8/ 7t = 1/ 35
Multiplying by t
8/7 = t/35
_____________
Options
1) 8/t = 35/ 7 (False, t/8 = 35/ 7 )
2) t/8 = 7/ 35 (False, t/8 = 35/ 7 )
3) 8/7 = t/ 35 (TRUE)
4) 7/8 = t/35 (False, 8/7 = t/ 35 )
__________________
Answer
3) 8/7 = t/ 35 (TRUE)
Answer:
567 miles
Step-by-step explanation:
we break down how many miles he went in 1 hour
315/5
he went 63 miles in 1 hour
times this by 9 is 567 miles in 9 hours
Answer:
We need at least 4238 scores.
Step-by-step explanation:
We have that to find our level, that is the subtraction of 1 by the confidence interval divided by 2. So:
Now, we have to find z in the Ztable as such z has a pvalue of .
So it is z with a pvalue of , so
Now, find the margin of error M
In which is the standard deviation of the population and n is the size of the sample.
How many random IQ scores must be obtained if we want to find the true population mean (with an allowable error of 0.5) and we want 97 percent confidence in the results
We need at least n scores, in which N is found when . So
We need at least 4238 scores.
Divide as usual
Position the decimal point in the result directly above the decimal point in the dividend.
Check your answer: Use the calculator and multiply the quotient by the divisor.
Answer:
b) x,e
Step-by-step explanation:
only look at points on the axies and look for which are only 5 points away